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bought an 05 rmz with about 10 hrs on it a month ago and i absolutely love this bike....here is my problem the machine starts and idles fine accelerates perfectly runs great all through rpm's but when i am rippin it through the woods at race speeds if i pull in the clutch to make a quick stop it will just shut off. not all the time but definately enough to wherre i wouldn't want to run this thing in any scrambles. a guy at a local shop suggested that i am too lean. the pilot comes stock with 42 stepped it up to a 45 and moved my needle up one notch and the bike ran like total shit.....needless to say i put the old pilot back in and now i am considering the boyeson ap cover. has any one else encountered this?

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Does it start and idle ok when it's good and hot? Id also suspect the fuel screw. If it starts and idles fine when it's cold, then doesn't idle hot, I think you're too rich on the screw.

If not, check your clutch for wear. Specifically grooves in the basket preventing it from disengaging.

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This is what I did to get my 06 to not stall in the corners (mx). Turn the fuel screw in until the engine backfires on decel. Then back it out a quarter turn at a time till the backfire goes away. Don't be suprised if you have to turn it in alot.

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A bike that stalls when you chop the throttle (let off) is usually rich.

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